<%@ page contentType="text/html; charset=gb2312"%>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><style type="text/css">
<!--
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
-->
</style></head>
<body background=img/totopbg.jpg><table width=100% cellpadding="0" cellspacing="0">
<tr><td align="center"><img id=img1 style="cursor:hand" src=img/todown.jpg onclick="javascript:hidetop();"></td></tr></table></body>

</html>
<script language=javascript>
var closed=false;
function hidetop()
{
	if(closed==false)
	{
	parent.set3.rows='0,7,*';
	parent.set4.rows='0,7,*';
	closed=true;
	document.all.img1.src="img/todown.jpg";
	}else
	{
	parent.set3.rows='300,7,*';
	parent.set4.rows='300,7,*';
	closed=false;
	document.all.img1.src="img/totop.jpg";
	}
}
</script>
